Nanbu Plastics Co., Ltd.

Akinori Inou

Hiroshi Ozawa

Masahiro Takigawa

Akihiro Shinoda

Kiyoshi Ishibashi

Nobuo Oikawa

Kouichi Otsuka

Akihiko Ikeda

A percutaneous medication device, comprising a syringe to be filled with medical liquid and a needle formation attached to a leading-end of the syringe is provided. The needle formation comprises a needle formation body, from the surface of which a needle projects and a cover portion covers a leading-end of the needle formation body. The needle is inserted into a through-hole formed at the leading-end of the needle formation body and fixed by a fixation member. The needle formation body is mated to the cover portion, a space is formed between an inner surface of the cover portion and the leading-end of the needle formation body, and the needle projects from the leading-end surface of the cover portion through a needle insertion hole formed at the leading-end of the cover portion.

Percutaneous medication device and needle formation used for the device

Hyperhidrosis treatment film

Device for administering drug solution

Injection needle

The transdermal administration device of the present invention includes: a needle support with a plurality of microneedles formed at a tip portion thereof; a holder with the needle support placed therein, allowing the needle support to protrude itself therefrom and retract therein; and a cap for covering the microneedles, and further includes: a spring member placed between the needle support and the holder, for biasing the needle support in a protruding direction; an engaging portion at a base of the needle support; and an engaged portion capable of engaging the engaging portion, formed in the holder, where the engaging portion of the needle support can be locked with the engaged portion of the holder when the needle support is retracted in the holder.

Transdermal administration device

Growing community of inventors

Shizuoka, Japan

Akinori Inou